TABLE 16.3 sma van der Waals constants for various substances. Species a/dm-bar mol 2 a/dm . atm-mol b/dm2 mol- Helium 0.034598 0.034145 0.023733 Neon 0.21666 0.21382 0.017383 Argon 1.3483 1.3307 0.031830 Krypton 2.2836 2.2537 0.038650 Hydrogen 0.24646 0.24324 0.026665 Nitrogen 1.3661 1.3483 0.038577 Oxygen 1.3820 1.3639 0.031860 Carbon monoxide 1.4734 1.4541 0.039523 Carbon dioxide 3.6551 3.6073 0.042816 Ammonia 4.3044 4.2481 0.037847 Methane 2.3026 2.2725 0.043067 Ethane 5.5818 5.5088 0.065144 Ethene 4.6112 4.5509 0.058199 Propane 9.3919 9.2691 0.090494 Butane 13.888 13.706 0.11641 2-Methyl propane 13.328 13.153 0.11645 Pentane 19.124 18.874 0.14510 Benzene 18.876 18.629 0.11974

TABLE 16.3 sma van der Waals constants for various substances. Species a/dm-bar mol 2 a/dm . atm-mol b/dm2 mol- Helium 0.034598 0.034145 0.023733 Neon 0.21666 0.21382 0.017383 Argon 1.3483 1.3307 0.031830 Krypton 2.2836 2.2537 0.038650 Hydrogen 0.24646 0.24324 0.026665 Nitrogen 1.3661 1.3483 0.038577 Oxygen 1.3820 1.3639 0.031860 Carbon monoxide 1.4734 1.4541 0.039523 Carbon dioxide 3.6551 3.6073 0.042816 Ammonia 4.3044 4.2481 0.037847 Methane 2.3026 2.2725 0.043067 Ethane 5.5818 5.5088 0.065144 Ethene 4.6112 4.5509 0.058199 Propane 9.3919 9.2691 0.090494 Butane 13.888 13.706 0.11641 2-Methyl propane 13.328 13.153 0.11645 Pentane 19.124 18.874 0.14510 Benzene 18.876 18.629 0.11974

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter1: Gases And The Zeroth Law Of Thermodynamics

Section: Chapter Questions

Problem 1.43E: What is the van der Waals constant a for Ne in units of bar.cm6/mol2

See similar textbooks

Similar questions

At high temperatures, one of the van der Waals constants can be ignored. Which one? Justify your choice and write a high temperature version of the van der Waals equation of state.
The atmospheric surface pressure on Venus is 90 bar and is composed of 96 carbon dioxide and approximately 4 various other gases. Given a surface temperature of 730 K, what is the mass of carbon dioxide present per cubic centimeter at the surface?
Use the approximation 1 x-1 1 x x2 to determine an expression for the virial coefficient C in terms of the van der Waals constants.
Silicon tetrachloride(SiCl4)and trichlorohydrosilicon(SiHCl3) are both starting material of production Electronic grade silicon. Calculate the densities of pure SiCl4 and pure SiHCl3 vapour at 88°C and 650 torr
Express the van der Waals parameters a = 0.751 atm dm6 mol−2 and b = 0.0226 dm3 mol−1 in SI base units (kg, m, s, and mol).
Consider Argon (Ar) gas at a pressure of 1 bar and temperature of 300 K. The equivalent hardsphere radius (known as the Van Der Waal radius) of an Argon molecule is 188 picometers (pm)and its atomic mass is 39.948u. Note that 1u = 1.6605 x 10-27kg. a)How many molecules are contained in a cube 1 cm by 1 cm by 1 cm? b)Estimate the mean free path. At scales much larger than this, a continuum description holds. c)What is the density of the gas? d)Estimate the "root mean squared" molecular speed, i.e. SQRT( (V^2) ) e)Estimate the dynamic and kinematic viscosities. Compare these with literature values, forexample from webbook.nist.edu. f) Plot the variation of dynamic viscosity with temperature in the range between 300K and3000K at a fixed pressure of 1 bar. Use Matlab, Python, Mathematica, or any other softwareyou may choose.
What would be the volume of 2.0 moles of a gas vapours having pressure of 4.994 Nm-2at 298 K using idealgas equation and Van der Waal’s equation. (a = 2.576 Nm4 mol-2, b = 0.1453 x 10-3 m3 mol-1
A mole of air, (80.0% N2 and 20.0% O2, by volume) at 24.8oC is brought into contact with liquid water which has a vapor pressure of 3118 Pa at this temperature. (A) What is the volume of the dry air, if the pressure is 1 bar? (B) What is the final volume of the air saturated with water vapor, if the total pressure is kept as 1 bar? (C) What is the mole fraction of each gas in the moist air?
Calculate the pressure exerted by 1.0 mol C2H6 behaving as (a) a perfect gas, (b) a van der Waals gas when it is confined under the fol lowing conditions: (i) at 273.15 K in 22.414 dm3 , (ii) at 1000 K in 100 cm3. Use the data given.
contains 0.550 bar H2(g)0.550 bar H2(g) , 0.491 bar N2(g)0.491 bar N2(g) , and 0.121 bar Ar(g)0.121 bar Ar(g) . Calculate the mole fraction, ?χ , of each of these gases.
At high temperatures, one of the van der Waals constants can be ignored. Which one? Justifyyour choice, and write a high-temperature version of the van der Waals equation of state.
Dalton’s Law of Partial Pressure: The percent composition of air by volume is 78.08% N2, 20.95% O2, 0.93% Ar and 0.036% CO2. What are the partial pressures of these four gases in a sample of air at a barometric pressure of 748 mm Hg? Note: for a mixture of gases mole percent equals volume percent